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-rw-r--r--drivers/serial/Makefile9
-rw-r--r--drivers/serial/serial_clps7111.c121
-rw-r--r--drivers/serial/serial_imx.c221
-rw-r--r--drivers/serial/serial_ks8695.c117
-rw-r--r--drivers/serial/serial_lpc2292.c105
-rw-r--r--drivers/serial/serial_mx31.c226
-rw-r--r--drivers/serial/serial_netarm.c195
-rw-r--r--drivers/serial/serial_s3c24x0.c300
-rw-r--r--drivers/serial/serial_s3c44b0.c218
-rw-r--r--drivers/serial/serial_sa1100.c160
10 files changed, 1672 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index d0efd73..696d5fb 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -33,10 +33,19 @@ COBJS-$(CONFIG_SYS_NS16550) += ns16550.o
COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o
COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial.o
+COBJS-$(CONFIG_CLPS7111_SERIAL) += serial_clps7111.o
+COBJS-$(CONFIG_IMX_SERIAL) += serial_imx.o
COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
+COBJS-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
+COBJS-$(CONFIG_LPC2292_SERIAL) += serial_lpc2292.o
COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
+COBJS-$(CONFIG_MX31_UART) += serial_mx31.o
+COBJS-$(CONFIG_NETARM_SERIAL) += serial_netarm.o
COBJS-$(CONFIG_PL010_SERIAL) += serial_pl01x.o
COBJS-$(CONFIG_PL011_SERIAL) += serial_pl01x.o
+COBJS-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o
+COBJS-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
+COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o
COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
COBJS-$(CONFIG_USB_TTY) += usbtty.o
diff --git a/drivers/serial/serial_clps7111.c b/drivers/serial/serial_clps7111.c
new file mode 100644
index 0000000..a6aecad
--- /dev/null
+++ b/drivers/serial/serial_clps7111.c
@@ -0,0 +1,121 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <clps7111.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ unsigned int reg = 0;
+
+ switch (gd->baudrate) {
+ case 1200: reg = 191; break;
+ case 9600: reg = 23; break;
+ case 19200: reg = 11; break;
+ case 38400: reg = 5; break;
+ case 57600: reg = 3; break;
+ case 115200: reg = 1; break;
+ default: hang (); break;
+ }
+
+ /* init serial serial 1,2 */
+ IO_SYSCON1 = SYSCON1_UART1EN;
+ IO_SYSCON2 = SYSCON2_UART2EN;
+
+ reg |= UBRLCR_WRDLEN8;
+
+ IO_UBRLCR1 = reg;
+ IO_UBRLCR2 = reg;
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ serial_setbrg ();
+
+ return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ int tmo;
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+
+ tmo = get_timer (0) + 1 * CONFIG_SYS_HZ;
+ while (IO_SYSFLG1 & SYSFLG1_UTXFF)
+ if (get_timer (0) > tmo)
+ break;
+
+ IO_UARTDR1 = c;
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+ return !(IO_SYSFLG1 & SYSFLG1_URXFE);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+ while (IO_SYSFLG1 & SYSFLG1_URXFE);
+
+ return IO_UARTDR1 & 0xff;
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
new file mode 100644
index 0000000..b9ca748
--- /dev/null
+++ b/drivers/serial/serial_imx.c
@@ -0,0 +1,221 @@
+/*
+ * (c) 2004 Sascha Hauer <sascha@saschahauer.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+
+#if defined CONFIG_IMX_SERIAL1
+#define UART_BASE IMX_UART1_BASE
+#elif defined CONFIG_IMX_SERIAL2
+#define UART_BASE IMX_UART2_BASE
+#else
+#error "define CONFIG_IMX_SERIAL1, CONFIG_IMX_SERIAL2 or CONFIG_IMX_SERIAL_NONE"
+#endif
+
+struct imx_serial {
+ volatile uint32_t urxd[16];
+ volatile uint32_t utxd[16];
+ volatile uint32_t ucr1;
+ volatile uint32_t ucr2;
+ volatile uint32_t ucr3;
+ volatile uint32_t ucr4;
+ volatile uint32_t ufcr;
+ volatile uint32_t usr1;
+ volatile uint32_t usr2;
+ volatile uint32_t uesc;
+ volatile uint32_t utim;
+ volatile uint32_t ubir;
+ volatile uint32_t ubmr;
+ volatile uint32_t ubrc;
+ volatile uint32_t bipr[4];
+ volatile uint32_t bmpr[4];
+ volatile uint32_t uts;
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ serial_init();
+}
+
+extern void imx_gpio_mode(int gpio_mode);
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+ unsigned int ufcr_rfdiv;
+ unsigned int refclk;
+
+#ifdef CONFIG_IMX_SERIAL1
+ imx_gpio_mode(PC11_PF_UART1_TXD);
+ imx_gpio_mode(PC12_PF_UART1_RXD);
+#else
+ imx_gpio_mode(PB30_PF_UART2_TXD);
+ imx_gpio_mode(PB31_PF_UART2_RXD);
+#endif
+
+ /* Disable UART */
+ base->ucr1 &= ~UCR1_UARTEN;
+
+ /* Set to default POR state */
+
+ base->ucr1 = 0x00000004;
+ base->ucr2 = 0x00000000;
+ base->ucr3 = 0x00000000;
+ base->ucr4 = 0x00008040;
+ base->uesc = 0x0000002B;
+ base->utim = 0x00000000;
+ base->ubir = 0x00000000;
+ base->ubmr = 0x00000000;
+ base->uts = 0x00000000;
+ /* Set clocks */
+ base->ucr4 |= UCR4_REF16;
+
+ /* Configure FIFOs */
+ base->ufcr = 0xa81;
+
+ /* set the baud rate.
+ *
+ * baud * 16 x
+ * --------- = -
+ * refclk y
+ *
+ * x - 1 = UBIR
+ * y - 1 = UBMR
+ *
+ * each register is 16 bits wide. refclk max is 96 MHz
+ *
+ */
+
+ ufcr_rfdiv = ((base->ufcr) & UFCR_RFDIV) >> 7;
+ if (ufcr_rfdiv == 6)
+ ufcr_rfdiv = 7;
+ else
+ ufcr_rfdiv = 6 - ufcr_rfdiv;
+
+ refclk = get_PERCLK1();
+ refclk /= ufcr_rfdiv;
+
+ /* Set the numerator value minus one of the BRM ratio */
+ base->ubir = (gd->baudrate / 100) - 1;
+
+ /* Set the denominator value minus one of the BRM ratio */
+ base->ubmr = (refclk/(16 * 100)) - 1;
+
+ /* Set to 8N1 */
+ base->ucr2 &= ~UCR2_PREN;
+ base->ucr2 |= UCR2_WS;
+ base->ucr2 &= ~UCR2_STPB;
+
+ /* Ignore RTS */
+ base->ucr2 |= UCR2_IRTS;
+
+ /* Enable UART */
+ base->ucr1 |= UCR1_UARTEN | UCR1_UARTCLKEN;
+
+ /* Enable FIFOs */
+ base->ucr2 |= UCR2_SRST | UCR2_RXEN | UCR2_TXEN;
+
+ /* Clear status flags */
+ base->usr2 |= USR2_ADET |
+ USR2_DTRF |
+ USR2_IDLE |
+ USR2_IRINT |
+ USR2_WAKE |
+ USR2_RTSF |
+ USR2_BRCD |
+ USR2_ORE;
+
+ /* Clear status flags */
+ base->usr1 |= USR1_PARITYERR |
+ USR1_RTSD |
+ USR1_ESCF |
+ USR1_FRAMERR |
+ USR1_AIRINT |
+ USR1_AWAKE;
+ return (0);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is successful, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+ volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+ unsigned char ch;
+
+ while(base->uts & UTS_RXEMPTY);
+
+ ch = (char)base->urxd[0];
+
+ return ch;
+}
+
+#ifdef CONFIG_HWFLOW
+static int hwflow = 0; /* turned off by default */
+int hwflow_onoff(int on)
+{
+}
+#endif
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+
+ /* Wait for Tx FIFO not full */
+ while (base->uts & UTS_TXFULL);
+
+ base->utxd[0] = c;
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+}
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int serial_tstc (void)
+{
+ volatile struct imx_serial* base = (struct imx_serial *)UART_BASE;
+
+ /* If receive fifo is empty, return false */
+ if (base->uts & UTS_RXEMPTY)
+ return 0;
+ return 1;
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
new file mode 100644
index 0000000..aacd1be
--- /dev/null
+++ b/drivers/serial/serial_ks8695.c
@@ -0,0 +1,117 @@
+/*
+ * serial.c -- KS8695 serial driver
+ *
+ * (C) Copyright 2004, Greg Ungerer <greg.ungerer@opengear.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/platform.h>
+
+#ifndef CONFIG_SERIAL1
+#error "Bad: you didn't configure serial ..."
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Define the UART hardware register access structure.
+ */
+struct ks8695uart {
+ unsigned int RX; /* 0x00 - Receive data (r) */
+ unsigned int TX; /* 0x04 - Transmit data (w) */
+ unsigned int FCR; /* 0x08 - Fifo Control (r/w) */
+ unsigned int LCR; /* 0x0c - Line Control (r/w) */
+ unsigned int MCR; /* 0x10 - Modem Control (r/w) */
+ unsigned int LSR; /* 0x14 - Line Status (r/w) */
+ unsigned int MSR; /* 0x18 - Modem Status (r/w) */
+ unsigned int BD; /* 0x1c - Baud Rate (r/w) */
+ unsigned int SR; /* 0x20 - Status (r/w) */
+};
+
+#define KS8695_UART_ADDR ((void *) (KS8695_IO_BASE + KS8695_UART_RX_BUFFER))
+#define KS8695_UART_CLK 25000000
+
+
+/*
+ * Under some circumstances we want to be "quiet" and not issue any
+ * serial output - though we want u-boot to otherwise work and behave
+ * the same. By default be noisy.
+ */
+int serial_console = 1;
+
+
+void serial_setbrg(void)
+{
+ volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+
+ /* Set to global baud rate and 8 data bits, no parity, 1 stop bit*/
+ uartp->BD = KS8695_UART_CLK / gd->baudrate;
+ uartp->LCR = KS8695_UART_LINEC_WLEN8;
+}
+
+int serial_init(void)
+{
+ serial_console = 1;
+ serial_setbrg();
+ return 0;
+}
+
+void serial_raw_putc(const char c)
+{
+ volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+ int i;
+
+ for (i = 0; (i < 0x100000); i++) {
+ if (uartp->LSR & KS8695_UART_LINES_TXFE)
+ break;
+ }
+
+ uartp->TX = c;
+}
+
+void serial_putc(const char c)
+{
+ if (serial_console) {
+ serial_raw_putc(c);
+ if (c == '\n')
+ serial_raw_putc('\r');
+ }
+}
+
+int serial_tstc(void)
+{
+ volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+ if (serial_console)
+ return ((uartp->LSR & KS8695_UART_LINES_RXFE) ? 1 : 0);
+ return 0;
+}
+
+void serial_puts(const char *s)
+{
+ char c;
+ while ((c = *s++) != 0)
+ serial_putc(c);
+}
+
+int serial_getc(void)
+{
+ volatile struct ks8695uart *uartp = KS8695_UART_ADDR;
+
+ while ((uartp->LSR & KS8695_UART_LINES_RXFE) == 0)
+ ;
+ return (uartp->RX);
+}
diff --git a/drivers/serial/serial_lpc2292.c b/drivers/serial/serial_lpc2292.c
new file mode 100644
index 0000000..87b7d5f
--- /dev/null
+++ b/drivers/serial/serial_lpc2292.c
@@ -0,0 +1,105 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ unsigned short divisor = 0;
+
+ switch (gd->baudrate) {
+ case 1200: divisor = 3072; break;
+ case 9600: divisor = 384; break;
+ case 19200: divisor = 192; break;
+ case 38400: divisor = 96; break;
+ case 57600: divisor = 64; break;
+ case 115200: divisor = 32; break;
+ default: hang (); break;
+ }
+
+ /* init serial UART0 */
+ PUT8(U0LCR, 0);
+ PUT8(U0IER, 0);
+ PUT8(U0LCR, 0x80); /* DLAB=1 */
+ PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
+ PUT8(U0DLM, (unsigned char)(divisor >> 8));
+ PUT8(U0LCR, 0x03); /* 8N1, DLAB=0 */
+ PUT8(U0FCR, 1); /* Enable RX and TX FIFOs */
+}
+
+int serial_init (void)
+{
+ unsigned long pinsel0;
+
+ serial_setbrg ();
+
+ pinsel0 = GET32(PINSEL0);
+ pinsel0 &= ~(0x00000003);
+ pinsel0 |= 5;
+ PUT32(PINSEL0, pinsel0);
+
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ {
+ while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+ PUT8(U0THR, '\r');
+ }
+
+ while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+ PUT8(U0THR, c);
+}
+
+int serial_getc (void)
+{
+ while((GET8(U0LSR) & 1) == 0);
+ return GET8(U0RBR);
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+/* Test if there is a byte to read */
+int serial_tstc (void)
+{
+ return (GET8(U0LSR) & 1);
+}
+
diff --git a/drivers/serial/serial_mx31.c b/drivers/serial/serial_mx31.c
new file mode 100644
index 0000000..7c0682a
--- /dev/null
+++ b/drivers/serial/serial_mx31.c
@@ -0,0 +1,226 @@
+/*
+ * (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/arch/mx31.h>
+
+#define __REG(x) (*((volatile u32 *)(x)))
+
+#ifdef CONFIG_SYS_MX31_UART1
+#define UART_PHYS 0x43f90000
+#elif defined(CONFIG_SYS_MX31_UART2)
+#define UART_PHYS 0x43f94000
+#elif defined(CONFIG_SYS_MX31_UART3)
+#define UART_PHYS 0x5000c000
+#elif defined(CONFIG_SYS_MX31_UART4)
+#define UART_PHYS 0x43fb0000
+#elif defined(CONFIG_SYS_MX31_UART5)
+#define UART_PHYS 0x43fb4000
+#else
+#error "define CONFIG_SYS_MX31_UARTx to use the mx31 UART driver"
+#endif
+
+/* Register definitions */
+#define URXD 0x0 /* Receiver Register */
+#define UTXD 0x40 /* Transmitter Register */
+#define UCR1 0x80 /* Control Register 1 */
+#define UCR2 0x84 /* Control Register 2 */
+#define UCR3 0x88 /* Control Register 3 */
+#define UCR4 0x8c /* Control Register 4 */
+#define UFCR 0x90 /* FIFO Control Register */
+#define USR1 0x94 /* Status Register 1 */
+#define USR2 0x98 /* Status Register 2 */
+#define UESC 0x9c /* Escape Character Register */
+#define UTIM 0xa0 /* Escape Timer Register */
+#define UBIR 0xa4 /* BRM Incremental Register */
+#define UBMR 0xa8 /* BRM Modulator Register */
+#define UBRC 0xac /* Baud Rate Count Register */
+#define UTS 0xb4 /* UART Test Register (mx31) */
+
+/* UART Control Register Bit Fields.*/
+#define URXD_CHARRDY (1<<15)
+#define URXD_ERR (1<<14)
+#define URXD_OVRRUN (1<<13)
+#define URXD_FRMERR (1<<12)
+#define URXD_BRK (1<<11)
+#define URXD_PRERR (1<<10)
+#define URXD_RX_DATA (0xFF)
+#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
+#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
+#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
+#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
+#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
+#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
+#define UCR1_IREN (1<<7) /* Infrared interface enable */
+#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
+#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
+#define UCR1_SNDBRK (1<<4) /* Send break */
+#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
+#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
+#define UCR1_DOZE (1<<1) /* Doze */
+#define UCR1_UARTEN (1<<0) /* UART enabled */
+#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
+#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
+#define UCR2_CTSC (1<<13) /* CTS pin control */
+#define UCR2_CTS (1<<12) /* Clear to send */
+#define UCR2_ESCEN (1<<11) /* Escape enable */
+#define UCR2_PREN (1<<8) /* Parity enable */
+#define UCR2_PROE (1<<7) /* Parity odd/even */
+#define UCR2_STPB (1<<6) /* Stop */
+#define UCR2_WS (1<<5) /* Word size */
+#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
+#define UCR2_TXEN (1<<2) /* Transmitter enabled */
+#define UCR2_RXEN (1<<1) /* Receiver enabled */
+#define UCR2_SRST (1<<0) /* SW reset */
+#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
+#define UCR3_PARERREN (1<<12) /* Parity enable */
+#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
+#define UCR3_DSR (1<<10) /* Data set ready */
+#define UCR3_DCD (1<<9) /* Data carrier detect */
+#define UCR3_RI (1<<8) /* Ring indicator */
+#define UCR3_TIMEOUTEN (1<<7) /* Timeout interrupt enable */
+#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
+#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
+#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
+#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz */
+#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz */
+#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
+#define UCR3_BPEN (1<<0) /* Preset registers enable */
+#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
+#define UCR4_INVR (1<<9) /* Inverted infrared reception */
+#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
+#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
+#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
+#define UCR4_IRSC (1<<5) /* IR special case */
+#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
+#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
+#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
+#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
+#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
+#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
+#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
+#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
+#define USR1_RTSS (1<<14) /* RTS pin status */
+#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
+#define USR1_RTSD (1<<12) /* RTS delta */
+#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
+#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
+#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
+#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
+#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
+#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
+#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
+#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
+#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
+#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
+#define USR2_IDLE (1<<12) /* Idle condition */
+#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
+#define USR2_WAKE (1<<7) /* Wake */
+#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
+#define USR2_TXDC (1<<3) /* Transmitter complete */
+#define USR2_BRCD (1<<2) /* Break condition */
+#define USR2_ORE (1<<1) /* Overrun error */
+#define USR2_RDR (1<<0) /* Recv data ready */
+#define UTS_FRCPERR (1<<13) /* Force parity error */
+#define UTS_LOOP (1<<12) /* Loop tx and rx */
+#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
+#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
+#define UTS_TXFULL (1<<4) /* TxFIFO full */
+#define UTS_RXFULL (1<<3) /* RxFIFO full */
+#define UTS_SOFTRST (1<<0) /* Software reset */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ u32 clk = mx31_get_ipg_clk();
+
+ if (!gd->baudrate)
+ gd->baudrate = CONFIG_BAUDRATE;
+
+ __REG(UART_PHYS + UFCR) = 4 << 7; /* divide input clock by 2 */
+ __REG(UART_PHYS + UBIR) = 0xf;
+ __REG(UART_PHYS + UBMR) = clk / (2 * gd->baudrate);
+
+}
+
+int serial_getc (void)
+{
+ while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
+ return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */
+}
+
+void serial_putc (const char c)
+{
+ __REG(UART_PHYS + UTXD) = c;
+
+ /* wait for transmitter to be ready */
+ while(!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY));
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+}
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int serial_tstc (void)
+{
+ /* If receive fifo is empty, return false */
+ if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
+ return 0;
+ return 1;
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ __REG(UART_PHYS + UCR1) = 0x0;
+ __REG(UART_PHYS + UCR2) = 0x0;
+
+ while (!(__REG(UART_PHYS + UCR2) & UCR2_SRST));
+
+ __REG(UART_PHYS + UCR3) = 0x0704;
+ __REG(UART_PHYS + UCR4) = 0x8000;
+ __REG(UART_PHYS + UESC) = 0x002b;
+ __REG(UART_PHYS + UTIM) = 0x0;
+
+ __REG(UART_PHYS + UTS) = 0x0;
+
+ serial_setbrg();
+
+ __REG(UART_PHYS + UCR2) = UCR2_WS | UCR2_IRTS | UCR2_RXEN | UCR2_TXEN | UCR2_SRST;
+
+ __REG(UART_PHYS + UCR1) = UCR1_UARTEN;
+
+ return 0;
+}
diff --git a/drivers/serial/serial_netarm.c b/drivers/serial/serial_netarm.c
new file mode 100644
index 0000000..2eb5393
--- /dev/null
+++ b/drivers/serial/serial_netarm.c
@@ -0,0 +1,195 @@
+/*
+ * Serial Port stuff - taken from Linux
+ *
+ * (C) Copyright 2002
+ * MAZeT GmbH <www.mazet.de>
+ * Stephan Linz <linz@mazet.de>, <linz@li-pro.net>
+ *
+ * (c) 2004
+ * IMMS gGmbH <www.imms.de>
+ * Thomas Elste <info@elste.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PORTA (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA))
+#if !defined(CONFIG_NETARM_NS7520)
+#define PORTB (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB))
+#else
+#define PORTC (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC))
+#endif
+
+/* wait until transmitter is ready for another character */
+#define TXWAITRDY(registers) \
+{ \
+ ulong tmo = get_timer(0) + 1 * CONFIG_SYS_HZ; \
+ while (((registers)->status_a & NETARM_SER_STATA_TX_RDY) == 0 ) { \
+ if (get_timer(0) > tmo) \
+ break; \
+ } \
+}
+
+
+#ifndef CONFIG_UART1_CONSOLE
+volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0);
+volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1);
+#else
+volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1);
+volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0);
+#endif
+
+extern void _netarm_led_FAIL1(void);
+
+/*
+ * Setup both serial i/f with given baudrate
+ */
+void serial_setbrg (void)
+{
+ /* set 0 ... make sure pins are configured for serial */
+#if !defined(CONFIG_NETARM_NS7520)
+ PORTA = PORTB =
+ NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#else
+ PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+ PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#endif
+
+ /* first turn em off */
+ serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0;
+
+ /* clear match register, we don't need it */
+ serial_reg_ch1->rx_match = serial_reg_ch2->rx_match = 0;
+
+ /* setup bit rate generator and rx buffer gap timer (1 byte only) */
+ if ((gd->baudrate >= MIN_BAUD_RATE)
+ && (gd->baudrate <= MAX_BAUD_RATE)) {
+ serial_reg_ch1->bitrate = serial_reg_ch2->bitrate =
+ NETARM_SER_BR_X16 (gd->baudrate);
+ serial_reg_ch1->rx_buf_timer = serial_reg_ch2->rx_buf_timer =
+ 0;
+ serial_reg_ch1->rx_char_timer = serial_reg_ch2->rx_char_timer =
+ NETARM_SER_RXGAP (gd->baudrate);
+ } else {
+ hang ();
+ }
+
+ /* setup port mode */
+ serial_reg_ch1->ctrl_b = serial_reg_ch2->ctrl_b =
+ ( NETARM_SER_CTLB_RCGT_EN |
+ NETARM_SER_CTLB_UART_MODE);
+ serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a =
+ ( NETARM_SER_CTLA_ENABLE |
+ NETARM_SER_CTLA_P_NONE |
+ /* see errata */
+ NETARM_SER_CTLA_2STOP |
+ NETARM_SER_CTLA_8BITS |
+ NETARM_SER_CTLA_DTR_EN |
+ NETARM_SER_CTLA_RTS_EN);
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ */
+int serial_init (void)
+{
+ serial_setbrg ();
+ return 0;
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ volatile unsigned char *fifo;
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+
+ fifo = (volatile unsigned char *) &(serial_reg_ch1->fifo);
+ TXWAITRDY (serial_reg_ch1);
+ *fifo = c;
+}
+
+/*
+ * Test of a single byte from the serial port. Returns 1 on success, 0
+ * otherwise.
+ */
+int serial_tstc(void)
+{
+ return serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY;
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise.
+ */
+int serial_getc (void)
+{
+ unsigned int ch_uint;
+ volatile unsigned int *fifo;
+ volatile unsigned char *fifo_char = NULL;
+ int buf_count = 0;
+
+ while (!(serial_reg_ch1->status_a & NETARM_SER_STATA_RX_RDY))
+ /* NOP */ ;
+
+ fifo = (volatile unsigned int *) &(serial_reg_ch1->fifo);
+ fifo_char = (unsigned char *) &ch_uint;
+ ch_uint = *fifo;
+
+ buf_count = NETARM_SER_STATA_RXFDB (serial_reg_ch1->status_a);
+ switch (buf_count) {
+ case NETARM_SER_STATA_RXFDB_4BYTES:
+ buf_count = 4;
+ break;
+ case NETARM_SER_STATA_RXFDB_3BYTES:
+ buf_count = 3;
+ break;
+ case NETARM_SER_STATA_RXFDB_2BYTES:
+ buf_count = 2;
+ break;
+ case NETARM_SER_STATA_RXFDB_1BYTES:
+ buf_count = 1;
+ break;
+ default:
+ /* panic, be never here */
+ break;
+ }
+
+ serial_reg_ch1->status_a |= NETARM_SER_STATA_RX_CLOSED;
+
+ return ch_uint & 0xff;
+}
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
new file mode 100644
index 0000000..1b1b7a6
--- /dev/null
+++ b/drivers/serial/serial_s3c24x0.c
@@ -0,0 +1,300 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB)
+#include <s3c2400.h>
+#elif defined(CONFIG_S3C2410)
+#include <s3c2410.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SERIAL1
+#define UART_NR S3C24X0_UART0
+
+#elif defined(CONFIG_SERIAL2)
+# if defined(CONFIG_TRAB)
+# error "TRAB supports only CONFIG_SERIAL1"
+# endif
+#define UART_NR S3C24X0_UART1
+
+#elif defined(CONFIG_SERIAL3)
+# if defined(CONFIG_TRAB)
+# #error "TRAB supports only CONFIG_SERIAL1"
+# endif
+#define UART_NR S3C24X0_UART2
+
+#else
+#error "Bad: you didn't configure serial ..."
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+#include <serial.h>
+
+/* Multi serial device functions */
+#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
+ int s3serial##port##_init (void) {\
+ return serial_init_dev(port);}\
+ void s3serial##port##_setbrg (void) {\
+ serial_setbrg_dev(port);}\
+ int s3serial##port##_getc (void) {\
+ return serial_getc_dev(port);}\
+ int s3serial##port##_tstc (void) {\
+ return serial_tstc_dev(port);}\
+ void s3serial##port##_putc (const char c) {\
+ serial_putc_dev(port, c);}\
+ void s3serial##port##_puts (const char *s) {\
+ serial_puts_dev(port, s);}
+
+#define INIT_S3C_SERIAL_STRUCTURE(port,name,bus) {\
+ name,\
+ bus,\
+ s3serial##port##_init,\
+ s3serial##port##_setbrg,\
+ s3serial##port##_getc,\
+ s3serial##port##_tstc,\
+ s3serial##port##_putc,\
+ s3serial##port##_puts, }
+
+#endif /* CONFIG_SERIAL_MULTI */
+
+void _serial_setbrg(const int dev_index)
+{
+ S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+ unsigned int reg = 0;
+ int i;
+
+ /* value is calculated so : (int)(PCLK/16./baudrate) -1 */
+ reg = get_PCLK() / (16 * gd->baudrate) - 1;
+
+ uart->UBRDIV = reg;
+ for (i = 0; i < 100; i++);
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void
+serial_setbrg_dev(unsigned int dev_index)
+{
+ _serial_setbrg(dev_index);
+}
+#else
+void serial_setbrg(void)
+{
+ _serial_setbrg(UART_NR);
+}
+#endif
+
+
+/* Initialise the serial port. The settings are always 8 data bits, no parity,
+ * 1 stop bit, no start bits.
+ */
+static int serial_init_dev(const int dev_index)
+{
+ S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+ /* FIFO enable, Tx/Rx FIFO clear */
+ uart->UFCON = 0x07;
+ uart->UMCON = 0x0;
+
+ /* Normal,No parity,1 stop,8 bit */
+ uart->ULCON = 0x3;
+ /*
+ * tx=level,rx=edge,disable timeout int.,enable rx error int.,
+ * normal,interrupt or polling
+ */
+ uart->UCON = 0x245;
+
+#ifdef CONFIG_HWFLOW
+ uart->UMCON = 0x1; /* RTS up */
+#endif
+
+ /* FIXME: This is sooooooooooooooooooo ugly */
+#if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
+ /* we need auto hw flow control on the gsm and gps port */
+ if (dev_index == 0 || dev_index == 1)
+ uart->UMCON = 0x10;
+#endif
+ _serial_setbrg(dev_index);
+
+ return (0);
+}
+
+#if !defined(CONFIG_SERIAL_MULTI)
+/* Initialise the serial port. The settings are always 8 data bits, no parity,
+ * 1 stop bit, no start bits.
+ */
+int serial_init (void)
+{
+ return serial_init_dev(UART_NR);
+}
+#endif
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int _serial_getc (const int dev_index)
+{
+ S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+ /* wait for character to arrive */
+ while (!(uart->UTRSTAT & 0x1));
+
+ return uart->URXH & 0xff;
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline int serial_getc_dev(unsigned int dev_index)
+{
+ return _serial_getc(dev_index);
+}
+#else
+int serial_getc (void)
+{
+ return _serial_getc(UART_NR);
+}
+#endif
+
+#ifdef CONFIG_HWFLOW
+static int hwflow = 0; /* turned off by default */
+int hwflow_onoff(int on)
+{
+ switch(on) {
+ case 0:
+ default:
+ break; /* return current */
+ case 1:
+ hwflow = 1; /* turn on */
+ break;
+ case -1:
+ hwflow = 0; /* turn off */
+ break;
+ }
+ return hwflow;
+}
+#endif
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int be_quiet = 0;
+void disable_putc(void)
+{
+ be_quiet = 1;
+}
+
+void enable_putc(void)
+{
+ be_quiet = 0;
+}
+#endif
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void _serial_putc (const char c, const int dev_index)
+{
+ S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+#ifdef CONFIG_MODEM_SUPPORT
+ if (be_quiet)
+ return;
+#endif
+
+ /* wait for room in the tx FIFO */
+ while (!(uart->UTRSTAT & 0x2));
+
+#ifdef CONFIG_HWFLOW
+ /* Wait for CTS up */
+ while(hwflow && !(uart->UMSTAT & 0x1))
+ ;
+#endif
+
+ uart->UTXH = c;
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void serial_putc_dev(unsigned int dev_index, const char c)
+{
+ _serial_putc(c, dev_index);
+}
+#else
+void serial_putc(const char c)
+{
+ _serial_putc(c, UART_NR);
+}
+#endif
+
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int _serial_tstc(const int dev_index)
+{
+ S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
+
+ return uart->UTRSTAT & 0x1;
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline int
+serial_tstc_dev(unsigned int dev_index)
+{
+ return _serial_tstc(dev_index);
+}
+#else
+int serial_tstc(void)
+{
+ return _serial_tstc(UART_NR);
+}
+#endif
+
+void _serial_puts(const char *s, const int dev_index)
+{
+ while (*s) {
+ _serial_putc (*s++, dev_index);
+ }
+}
+#if defined(CONFIG_SERIAL_MULTI)
+static inline void
+serial_puts_dev(int dev_index, const char *s)
+{
+ _serial_puts(s, dev_index);
+}
+#else
+void
+serial_puts (const char *s)
+{
+ _serial_puts(s, UART_NR);
+}
+#endif
+
+#if defined(CONFIG_SERIAL_MULTI)
+DECLARE_S3C_SERIAL_FUNCTIONS(0);
+struct serial_device s3c24xx_serial0_device =
+ INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
+DECLARE_S3C_SERIAL_FUNCTIONS(1);
+struct serial_device s3c24xx_serial1_device =
+ INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
+DECLARE_S3C_SERIAL_FUNCTIONS(2);
+struct serial_device s3c24xx_serial2_device =
+ INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
+
+#endif /* CONFIG_SERIAL_MULTI */
diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c
new file mode 100644
index 0000000..95d0266
--- /dev/null
+++ b/drivers/serial/serial_s3c44b0.c
@@ -0,0 +1,218 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* flush serial input queue. returns 0 on success or negative error
+ * number otherwise
+ */
+static int serial_flush_input(void)
+{
+ volatile u32 tmp;
+
+ /* keep on reading as long as the receiver is not empty */
+ while(UTRSTAT0&0x01) {
+ tmp = REGB(URXH0);
+ }
+
+ return 0;
+}
+
+
+/* flush output queue. returns 0 on success or negative error number
+ * otherwise
+ */
+static int serial_flush_output(void)
+{
+ /* wait until the transmitter is no longer busy */
+ while(!(UTRSTAT0 & 0x02)) {
+ }
+
+ return 0;
+}
+
+
+void serial_setbrg (void)
+{
+ u32 divisor = 0;
+
+ /* get correct divisor */
+ switch(gd->baudrate) {
+
+ case 1200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 3124;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 3905;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 9600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 390;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 487;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 19200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 194;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 243;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 38400:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 97;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 121;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif /* break; */
+
+ case 57600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 64;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 80;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif /* break; */
+
+ case 115200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 32;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 40;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif /* break; */
+ }
+
+ serial_flush_output();
+ serial_flush_input();
+ UFCON0 = 0x0;
+ ULCON0 = 0x03;
+ UCON0 = 0x05;
+ UBRDIV0 = divisor;
+
+ UFCON1 = 0x0;
+ ULCON1 = 0x03;
+ UCON1 = 0x05;
+ UBRDIV1 = divisor;
+
+ for(divisor=0; divisor<100; divisor++) {
+ /* NOP */
+ }
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ serial_setbrg ();
+
+ return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ /* wait for room in the transmit FIFO */
+ while(!(UTRSTAT0 & 0x02));
+
+ UTXH0 = (unsigned char)c;
+
+ /*
+ to be polite with serial console add a line feed
+ to the carriage return character
+ */
+ if (c=='\n')
+ serial_putc('\r');
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+ return (UTRSTAT0 & 0x01);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+ int rv;
+
+ for(;;) {
+ rv = serial_tstc();
+
+ if(rv > 0)
+ return URXH0;
+ }
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
diff --git a/drivers/serial/serial_sa1100.c b/drivers/serial/serial_sa1100.c
new file mode 100644
index 0000000..5d18875
--- /dev/null
+++ b/drivers/serial/serial_sa1100.c
@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <SA-1100.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ unsigned int reg = 0;
+
+ if (gd->baudrate == 1200)
+ reg = 191;
+ else if (gd->baudrate == 9600)
+ reg = 23;
+ else if (gd->baudrate == 19200)
+ reg = 11;
+ else if (gd->baudrate == 38400)
+ reg = 5;
+ else if (gd->baudrate == 57600)
+ reg = 3;
+ else if (gd->baudrate == 115200)
+ reg = 1;
+ else
+ hang ();
+
+#ifdef CONFIG_SERIAL1
+ /* SA1110 uart function */
+ Ser1SDCR0 |= SDCR0_SUS;
+
+ /* Wait until port is ready ... */
+ while(Ser1UTSR1 & UTSR1_TBY) {}
+
+ /* init serial serial 1 */
+ Ser1UTCR3 = 0x00;
+ Ser1UTSR0 = 0xff;
+ Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData );
+ Ser1UTCR1 = 0;
+ Ser1UTCR2 = (u32)reg;
+ Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE );
+#elif defined(CONFIG_SERIAL3)
+ /* Wait until port is ready ... */
+ while (Ser3UTSR1 & UTSR1_TBY) {
+ }
+
+ /* init serial serial 3 */
+ Ser3UTCR3 = 0x00;
+ Ser3UTSR0 = 0xff;
+ Ser3UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData);
+ Ser3UTCR1 = 0;
+ Ser3UTCR2 = (u32) reg;
+ Ser3UTCR3 = (UTCR3_RXE | UTCR3_TXE);
+#else
+#error "Bad: you didn't configured serial ..."
+#endif
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ serial_setbrg ();
+
+ return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+#ifdef CONFIG_SERIAL1
+ /* wait for room in the tx FIFO on SERIAL1 */
+ while ((Ser1UTSR0 & UTSR0_TFS) == 0);
+
+ Ser1UTDR = c;
+#elif defined(CONFIG_SERIAL3)
+ /* wait for room in the tx FIFO on SERIAL3 */
+ while ((Ser3UTSR0 & UTSR0_TFS) == 0);
+
+ Ser3UTDR = c;
+#endif
+
+ /* If \n, also do \r */
+ if (c == '\n')
+ serial_putc ('\r');
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+#ifdef CONFIG_SERIAL1
+ return Ser1UTSR1 & UTSR1_RNE;
+#elif defined(CONFIG_SERIAL3)
+ return Ser3UTSR1 & UTSR1_RNE;
+#endif
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+#ifdef CONFIG_SERIAL1
+ while (!(Ser1UTSR1 & UTSR1_RNE));
+
+ return (char) Ser1UTDR & 0xff;
+#elif defined(CONFIG_SERIAL3)
+ while (!(Ser3UTSR1 & UTSR1_RNE));
+
+ return (char) Ser3UTDR & 0xff;
+#endif
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
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